This Roasted Pork Tenderloin is easy enough for weeknights but fancy enough for dinner guests. Utilize your pantry to make this delicious, rich pork tenderloin tonight.

Roasted Pork Tenderloin

This Roasted Pork Tenderloin couldn’t get easier when it comes to pork tenderloin recipes in the oven.
Course Main Course
Cuisine American
Keyword crock pot pork tenderloin, pork tenderloin oven, roasted pork tenderloin, slow cooker pork tenderloin
Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings 4
Calories 82kcal
Author Jessica Burgess


  • 1 large yellow onion, peeled and sliced into 4 thick rings
  • 1 to 1 1/2 lb. pork tenderloin
  • 2 Tbsp. butter, softened
  • 1 1/2 tsp. kosher salt
  • 1/2 tsp. black pepper
  • 1/2 tsp. dried thyme
  • 1 tsp. dried basil
  • 1 tsp. garlic powder
  • 1 tsp. onion powder


  • Preheat oven to 400 degrees F. Layer onion in the bottom of a small roasting pan. Pat dry the pork. 
  • Rub the pork evenly with butter and place on top of the onions.
  • In a small bowl, combine the salt, pepper, thyme, basil, garlic powder and onion powder. Sprinkle evenly over the pork tenderloin and slightly press into the butter. 
  • Cook for 27 to 35 minutes, or until the internal temperature reaches 145 degrees F. Remove from the oven and allow to rest for 10 minutes before slicing. Drizzle pan sauce over the pork when serving. 


Please keep in mind that the nutritional information provided below is just a rough estimate and variations can occur depending on the specific ingredients used. 


Serving: 1serving | Calories: 82kcal | Carbohydrates: 6g | Protein: 1g | Fat: 6g | Saturated Fat: 3g | Cholesterol: 15mg | Sodium: 773mg | Potassium: 113mg | Fiber: 1g | Sugar: 1g | Vitamin A: 210IU | Vitamin C: 3.4mg | Calcium: 55mg | Iron: 2.1mg